FSA Geometry EOC Formulas Review

Question 1

Which of the following is a parallelogram with four right angles (TWO possible correct answers)?

Accepted Answer

Rectangle, Square

Question 2

Sum of the interior angles of a polygon

Accepted Answer

\left(n-2\right)\cdot180\degree

Question 3

Reflection across y-axis: \left(x,y\right)\mapsto_____

Accepted Answer

\left(-x,y\right)

Question 4

The slopes of parallel lines are:

Accepted Answer

the same

Question 5

Tangent ratio

Accepted Answer

opposite/adjacent, sine/cosine

Question 6

Circumscribed Angle Theorem (TWO correct answers)

Accepted Answer

m\angle CAB+m\angle CDB=180\degree, \overline{CD}\cong\overline{BD}

Question 7

Find x.

Accepted Answer

20\degree

Question 8

ext{If }m\angle BAC=27\degree,	ext{ what is the measure of the arc }BC?

Accepted Answer

54

Question 9

Triangle Proportionality Theorem

Accepted Answer

\frac{AD}{DB}=\frac{AE}{EC}

Question 10

90\degreeRotation CCW: \left(x,y\right)\mapsto_{ }_____

Accepted Answer

\left(-y,x\right)

Question 11

Pythagorean theorem

Accepted Answer

a2+b2=c2

Question 12

Volume of all prisms

Accepted Answer

Bh

Question 13

Area of a triangle

Accepted Answer

\frac{b\cdot h}{2}

Question 14

Cosine Ratio

Accepted Answer

None of the above

Question 15

In an inscribed quadrilateral, opposite angles are...

Accepted Answer

Supplementary (add up to 180)

Question 16

Density

Accepted Answer

\frac{mass}{volume}

Question 17

Volume of a cone

Accepted Answer

1/3Bh

Question 18

\overline{AC}	ext{ is a diameter. Therefore, }m\angle B=90\degree.

Accepted Answer

True

Question 19

Which of the following is NOT true about parallelograms?

Accepted Answer

Opposite angles are complementary

Question 20

Cos (90-x)

Accepted Answer

sinx

Question 21

Sine ratio

Accepted Answer

opposite over hypotenuse

Question 22

Midpoint Formula

Accepted Answer

\left(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}\right)

Question 23

ext{If }m\angle BOC=27\degree,	ext{ what is the measure of the arc }BC?

Accepted Answer

27

Question 24

180\degreeRotation: \left(x,y\right)\mapsto_{ }_____

Accepted Answer

\left(-x,-y\right)

Question 25

Measure of one interior angle of a REGULAR polygon

Accepted Answer

\frac{\left(n-2\right)\cdot180\degree}{n}

Question 26

Volume of a sphere

Accepted Answer

4/3πr3

Question 27

360\degreeRotation: \left(x,y\right)\mapsto_{ }_____

Accepted Answer

\left(x,y\right)

Question 28

Distance formula (TWO correct answers)

Accepted Answer

\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}, Pythagorean Theorem

Question 29

The angle formed by a tangent line and a radius is 90\degree(Tangent-Radius Theorem).

Accepted Answer

True

Question 30

Arc length

Accepted Answer

\frac{m}{360\degree}\cdot2\pi r

Question 31

Find the coordinate of the point A\left(5,2\right)after being rotated 270\degree CCW.

Accepted Answer

A'\left(2,-5\right)

Question 32

Reflection across y=-x: \left(x,y\right)\mapsto_____

Accepted Answer

\left(-y,-x\right)

Question 33

Find the coordinate of the point B\left(3,7\right)after being reflected over the line y=-x.

Accepted Answer

B'\left(-7,-3\right)

Question 34

Measure of one exterior angle of a REGULAR polygon

Accepted Answer

\frac{360\degree}{n}

Question 35

Reflection across x-axis: \left(x,y\right)\mapsto_____

Accepted Answer

\left(x,-y\right)

Question 36

The slopes of perpendicular lines are:

Accepted Answer

negative reciprocals

Question 37

The angle of rotational symmetry of a regular polygon is \frac{180\degree}{n}, where n is the number of sides.

Accepted Answer

False

Question 38

Sector Area

Accepted Answer

\frac{m}{360\degree}\pi r^2

Question 39

Volume of a cylinder

Accepted Answer

πr2h

Question 40

Formula for Area of Circle

Accepted Answer

πr2

Question 41

Area of a rectangle

Accepted Answer

b\cdot h

Question 42

What is the measure of angle x?

Accepted Answer

\frac{a+b}{2}

Question 43

Which of the following is a parallelogram with four right angles AND four congruent sides ?

Accepted Answer

Square

Question 44

Formula for Circumference of Circle

Accepted Answer

2πr

Question 45

Volume of a pyramid

Accepted Answer

1/3Bh

Question 46

*Extra Credit*: Find the slope of the line perpendicular to 3x+6y=7

Accepted Answer

2

Question 47

Sin (90-x)

Accepted Answer

cos x

Question 48

Sum of the exterior angles of any polygon

Accepted Answer

360\degree

Question 49

Reflection across y=x: \left(x,y\right)\mapsto_____

Accepted Answer

\left(y,x\right)

Question 50

270\degreeRotation CCW: \left(x,y\right)\mapsto_{ }_____

Accepted Answer

\left(y,-x\right)

Question 51

Population Density

Accepted Answer

\frac{population}{area}

Question 52

Which of the following is a parallelogram with four congruent sides (TWO possible correct answers)?

Accepted Answer

Square, Rhombus

Question 53

Chord-Chord Theorem

Accepted Answer

a\cdot b=c\cdot d

Question 54

Equation of a circle

Accepted Answer

\left(x-h\right)^2+\left(y-k\right)^2=r^2

Question 55

The slope of a line

Accepted Answer

All of the above

Question 56

Triangle Midsegment Theorem

Accepted Answer

DE=\frac{1}{2}BC

Question 57

Area of a parallelogram

Accepted Answer

b\cdot h

FSA Geometry EOC Formulas Review

Questions 57

FSA Geometry EOC Formulas Review

Questions 57